0
Anonymous
-d + 2 = 5(- 2 from both sides)-d = 3(x both sides by -1)d = -3
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d = 2
4
If: d+7 = 5 Then: d = -2 by subtracting 7 from both sides
12
d/3+3 = 5 d+9 = 15 d = 15-9 d = 6